Rastor, Redeemed

Flying, Lifelink
Whenever Rastor, Redeemed enters the battlefield, return X creatures from your graveyard to the battlefield, where X is the amount of mana used to cast this spell.
{t}{w}{w}{w} Choose target demon creature. That creature becomes a 2/2 human knight creature token with lifelink. It is under your control as long as you control Rastor, Redeemed.